third_party/WebKit/Source/modules/mediasource/MediaSourceRegistry.cpp

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "modules/mediasource/MediaSourceRegistry.h"

#include "modules/mediasource/MediaSource.h"
#include "platform/weborigin/KURL.h"

namespace blink {

MediaSourceRegistry& MediaSourceRegistry::registry()
{
    ASSERT(isMainThread());
    DEFINE_STATIC_LOCAL(MediaSourceRegistry, instance, ());
    return instance;
}

void MediaSourceRegistry::registerURL(SecurityOrigin*, const KURL& url, URLRegistrable* registrable)
{
    ASSERT(&registrable->registry() == this);
    ASSERT(isMainThread());

    MediaSource* source = static_cast<MediaSource*>(registrable);
    source->addedToRegistry();
    m_mediaSources.set(url.getString(), source);
}

void MediaSourceRegistry::unregisterURL(const KURL& url)
{
    ASSERT(isMainThread());
    PersistentHeapHashMap<String, Member<MediaSource>>::iterator iter = m_mediaSources.find(url.getString());
    if (iter == m_mediaSources.end())
        return;

    MediaSource* source = iter->value;
    m_mediaSources.remove(iter);
    source->removedFromRegistry();
}

URLRegistrable* MediaSourceRegistry::lookup(const String& url)
{
    ASSERT(isMainThread());
    return m_mediaSources.get(url);
}

MediaSourceRegistry::MediaSourceRegistry()
{
    HTMLMediaSource::setRegistry(this);
}

} // namespace blink